98b6335f51d506ea977421ecb7c7d8a3792268631d474b4c74cf4e74892daf46

General
Target

98b6335f51d506ea977421ecb7c7d8a3792268631d474b4c74cf4e74892daf46

Size

859KB

Sample

211020-1dlqlahfc5

Score
10 /10
MD5

d581aabe984a73b25c98953ee3a203cd

SHA1

25185cf991259d02470f4b6c1028dde6c8f6a756

SHA256

98b6335f51d506ea977421ecb7c7d8a3792268631d474b4c74cf4e74892daf46

SHA512

4e0c7bbc05349fa5fbd8331d56790f433f122229dfdc197c7ebacb316e178e639ffd079d42009c973b001a401a2c21d570a0049953031ffb72519c5d16398fd5

Malware Config

Extracted

Family vidar
Version 41.5
Botnet 517
C2

https://mas.to/@xeroxxx

Attributes
profile_id
517

Extracted

Family djvu
C2

http://rlrz.org/fhsgtsspen6

Targets
Target

98b6335f51d506ea977421ecb7c7d8a3792268631d474b4c74cf4e74892daf46

MD5

d581aabe984a73b25c98953ee3a203cd

Filesize

859KB

Score
10/10
SHA1

25185cf991259d02470f4b6c1028dde6c8f6a756

SHA256

98b6335f51d506ea977421ecb7c7d8a3792268631d474b4c74cf4e74892daf46

SHA512

4e0c7bbc05349fa5fbd8331d56790f433f122229dfdc197c7ebacb316e178e639ffd079d42009c973b001a401a2c21d570a0049953031ffb72519c5d16398fd5

Tags

Signatures

  • Detected Djvu ransomware

  • Djvu Ransomware

    Description

    Ransomware which is a variant of the STOP family.

    Tags

  • Vidar

    Description

    Vidar is an infostealer based on Arkei stealer.

    Tags

  • Vidar Stealer

    Tags

  • Downloads MZ/PE file

  • Executes dropped EXE

  • Loads dropped DLL

  • Modifies file permissions

    Tags

    TTPs

    File Permissions Modification
  • Reads user/profile data of web browsers

    Description

    Infostealers often target stored browser data, which can include saved credentials etc.

    Tags

    TTPs

    Data from Local SystemCredentials in Files
  • Accesses 2FA software files, possible credential harvesting

    Tags

    TTPs

    Data from Local SystemCredentials in Files
  • Accesses cryptocurrency files/wallets, possible credential harvesting

    Tags

    TTPs

    Data from Local SystemCredentials in Files
  • Adds Run key to start application

    Tags

    TTPs

    Registry Run Keys / Startup FolderModify Registry
  • Checks installed software on the system

    Description

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    Tags

    TTPs

    Query Registry
  • Looks up external IP address via web service

    Description

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext

Related Tasks

MITRE ATT&CK Matrix
Command and Control
    Credential Access
    Execution
      Exfiltration
        Impact
          Initial Access
            Lateral Movement
              Privilege Escalation